Input validation error in DataEase - CVE-2026-53751
Published: June 18, 2026
Vulnerability identifier: #VU134830
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-53751
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DataEase
Affected software:
DataEase
DataEase
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to improper input validation in the JDBC URL validation logic for H2 database connections when handling a crafted H2 JDBC connection string. A remote user can send a specially crafted request containing Unicode-altered blacklisted parameters to execute arbitrary code.
Exploitation requires a valid DE token.
How to mitigate CVE-2026-53751
Install security update from vendor's website.